Analysis
- max time kernel
150s - max time network
140s - platform
windows7_x64 - resource
win7-20230712-en - resource tags
- submitted
28/08/2023, 11:38
General
- Target Payment Copy.exe
- Size 267KB
- Sample230828-nrpyysaf49
- SHA256 cbcfd7f5e01a53f530bebf71dc07ddac59b03d2ee0f5825f541e3bf668d6abc5
Malware Config
Extracted
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formbook
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4.1
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sn26
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resenha10.bet
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gulshan-rajput.com
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xbus.tech
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z813my.cfd
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wlxzjlny.cfd
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auntengotiempo.com
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canada-reservation.com
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thegiftcompany.shop
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esthersilveirapropiedades.com
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1wapws.top
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ymjblnvo.cfd
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termokimik.net
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kushiro-artist-school.com
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bmmboo.com
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caceresconstructionservices.com
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kentuckywalkabout.com
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bringyourcart.com
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miamiwinetour.com
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bobcatsocial.site
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thirdmind.network
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 31 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\NAPSTAT.EXE"C:\Windows\SysWOW64\NAPSTAT.EXE"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hwtfxvypi.dll
hwtfxvypi.dll
memory/1272-14-0x0000000006BB0000-0x0000000006CDC000-memory.dmp
memory/1272-28-0x00000000091A0000-0x00000000092D7000-memory.dmp
memory/1272-26-0x00000000091A0000-0x00000000092D7000-memory.dmp
memory/1272-25-0x00000000091A0000-0x00000000092D7000-memory.dmp
memory/1272-12-0x00000000027C0000-0x00000000028C0000-memory.dmp
memory/1272-22-0x0000000006BB0000-0x0000000006CDC000-memory.dmp
memory/2824-9-0x0000000000770000-0x0000000000A73000-memory.dmp
memory/2824-13-0x00000000003E0000-0x00000000003F5000-memory.dmp
memory/2824-11-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2824-8-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2840-15-0x0000000000090000-0x00000000000D6000-memory.dmp
memory/2840-18-0x0000000000090000-0x00000000000D6000-memory.dmp
memory/2840-19-0x00000000000E0000-0x000000000010F000-memory.dmp
memory/2840-20-0x0000000001F80000-0x0000000002283000-memory.dmp
memory/2840-21-0x00000000000E0000-0x000000000010F000-memory.dmp
memory/2840-24-0x0000000000570000-0x0000000000604000-memory.dmp
memory/2896-7-0x0000000002CB0000-0x0000000002CB2000-memory.dmp